BRAND NEW PART# 33-5124FITS EVO 1984-1999 SOFTAIL, DYNA, TOURING, AND FXR For engines up to 93in. with no greater than 10:1 compressionBolts-in and works with stock or ported heads – about a 10 horsepower gain over stockHorsepower gains similar to S&S 502 cam but better low and midrange torqueImproved ramp design for quieter operationValve spring spacing not requiredOther normal clearance checks recommendedIntake Opening (degrees): 20Intake Closing (degrees): 38Exhaust Opening (degrees): 52Exhaust Closing (degrees): 20Intake Duration (degrees): 238Exhaust Duration (degrees): 252Intake Lift (in): .510Exhaust Lift (in): .510Intake Lift at TDC (in): .187Exhaust Lift at TDC (in): .178No spring spacing is requiredFor hydraulic tappet